On Wed, May 23, 2018 at 4:57 PM, Ferruh Yigit <ferruh.yi...@intel.com> wrote:
> On 5/23/2018 1:28 PM, Alejandro Lucero wrote: > > DPDK apps can be executed as non-root users but current NFP lock > > file for avoiding concurrent accesses to CPP interface is precluding > > this option or requires to modify system file permissions. > > > > When the NFP device is bound to VFIO, this driver does not allow this > > concurrent access, so the lock file is not required at all. > > > > OVS-DPDK as executed in RedHat distributions is the main NFP user > > needing this fix. > > > > Fixes: c7e9729da6b5 ("net/nfp: support CPP") > > > > Signed-off-by: Alejandro Lucero <alejandro.luc...@netronome.com> > > Hi Alejandro, > > As far as I understand this is to fix a common use case for nfp, but it > looks > like there is already a workaround and only for non-root users. > > There is a patch submitted to stable versions because this lock was also with the old NSPU interface, but as far as I know, there is no patch yet for the current upstream tip. > What is the priority of the patch, only critical but fixes allowed at this > point, can we push this one to next release? > This is critical for us because RedHat wants to support OVS with our card, and when OVS-DPDK is used, this problem is precluding non-root users to execute OVS-DPDK. > > Thanks, > ferruh > > >